Pipe powershell command output to C# program

pipe-powershell.cs

using System.Diagnostics;
using System.Text;

using (Process process = new Process())
{
    int timeoutMS = 1000;
    process.StartInfo.FileName = "powershell.exe";
    process.StartInfo.Arguments = "-NoLogo -NoProfile -NonInteractive -Command \"&{ Get-DeliveryOptimizationLog }\"";
    process.StartInfo.UseShellExecute = false;
    process.StartInfo.CreateNoWindow = true;
    process.StartInfo.RedirectStandardOutput = true;

    StringBuilder output = new StringBuilder();

    using (AutoResetEvent outputWaitHandle = new AutoResetEvent(false))
    {
        process.OutputDataReceived += (sender, e) =>
        {
            if (e.Data == null)
            {
                // Output data stream complete.
                outputWaitHandle.Set();
            }
            else
            {
                output.AppendLine(e.Data);
            }
        };

        process.Start();

        process.BeginOutputReadLine();

        if (process.WaitForExit(timeoutMS) && outputWaitHandle.WaitOne(timeoutMS))
        {
            // Process completed, and output data stream complete.
        }
        else
        {
            // Timed out.
        }
    }

    Console.WriteLine("--- output start ---");
    Console.WriteLine(output);
}